The manager’s likely error was forgetting to add the $2 back to the $18. Because $2 is roughly 11% of $18 for a markup you need to add the $2 back into the $18 for a total of $20.
You can find the perimeter of any closed figure by, measuring the sides and adding all of the sides. After, you have to add all of the sides, including the base together! Hope this is correct
Answer:
The area of the rhombus is 
Step-by-step explanation:
we know that
To find the area of a rhombus, multiply the lengths of the two diagonals and divide by 2
61
26 + 35 = 61
Not sure if this is what your looking for but hope it helps
combine the number of participants in the 10k and 5-mile
6924+3067=9991
Now subtract the half marathon from 9991
16,478-9991=6487
Your answer would be A.
